Enter the information for three columns in basic accounting mathematics.

Column 1: Assets
- Assets are resources owned by a company that have economic value and can be used to generate future benefits.
- Examples of assets include cash, accounts receivable, inventory, and property.

Column 2: Liabilities
- Liabilities are obligations that a company owes to external parties, such as creditors or suppliers.
- Examples of liabilities include accounts payable, loans payable, and accrued expenses.

Column 3: Equity
- Equity represents the ownership interest in a company, which is the difference between its assets and liabilities.
- Equity can be further broken down into common stock, retained earnings, and additional paid-in capital.

| Account | Debit | Credit |
|---|---|---|
| Cash | $1,000 | |
| Accounts Payable | | $500 |
| Sales Revenue | | $2,000 |